CY

Cheng-Hui Yu

WC World Wide Stationery Mfg. Co.: 1 patents #1 of 2Top 50%
📍 Sha Tin, CN: #7 of 40 inventorsTop 20%
Overall (1994): #148,266 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5354142 Ring binder — 1994-10-11